
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>2048</title>

  <link rel="shortcut icon" href="favicon.ico">
  <link rel="apple-touch-icon" href="meta/apple-touch-icon.png">
  <link rel="apple-touch-startup-image" href="meta/apple-touch-startup-image-640x1096.png" media="(device-width: 320px) and (device-height: 568px) and (-webkit-device-pixel-ratio: 2)"> <!-- iPhone 5+ -->
  <link rel="apple-touch-startup-image" href="meta/apple-touch-startup-image-640x920.png"  media="(device-width: 320px) and (device-height: 480px) and (-webkit-device-pixel-ratio: 2)"> <!-- iPhone, retina -->
  <meta name="apple-mobile-web-app-capable" content="yes">
  <meta name="apple-mobile-web-app-status-bar-style" content="black">

  <meta name="HandheldFriendly" content="True">
  <meta name="MobileOptimized" content="320">
  <meta name="viewport" content="width=device-width, target-densitydpi=160dpi, initial-scale=1.0, maximum-scale=1, user-scalable=no, minimal-ui">
  <style>

  @import url(fonts/clear-sans.css);
  html, body {
    margin: 0;
    padding: 0;
    background: #faf8ef;
    color: #776e65;
    font-family: "Clear Sans", "Helvetica Neue", Arial, sans-serif;
    font-size: 18px; }

  body {
    margin: 80px 0; }

  .heading:after {
    content: "";
    display: block;
    clear: both; }

  h1.title {
    font-size: 80px;
    font-weight: bold;
    margin: 0;
    display: block;
    float: left; }

  @-webkit-keyframes move-up {
    0% {
      top: 25px;
      opacity: 1; }

    100% {
      top: -50px;
      opacity: 0; } }
  @-moz-keyframes move-up {
    0% {
      top: 25px;
      opacity: 1; }

    100% {
      top: -50px;
      opacity: 0; } }
  @keyframes move-up {
    0% {
      top: 25px;
      opacity: 1; }

    100% {
      top: -50px;
      opacity: 0; } }
  .scores-container {
    float: right;
    text-align: right; }

  .score-container, .best-container {
    position: relative;
    display: inline-block;
    background: #bbada0;
    padding: 15px 25px;
    font-size: 25px;
    height: 25px;
    line-height: 47px;
    font-weight: bold;
    border-radius: 3px;
    color: white;
    margin-top: 8px;
    text-align: center; }
    .score-container:after, .best-container:after {
      position: absolute;
      width: 100%;
      top: 10px;
      left: 0;
      text-transform: uppercase;
      font-size: 13px;
      line-height: 13px;
      text-align: center;
      color: #eee4da; }
    .score-container .score-addition, .best-container .score-addition {
      position: absolute;
      right: 30px;
      color: red;
      font-size: 25px;
      line-height: 25px;
      font-weight: bold;
      color: rgba(119, 110, 101, 0.9);
      z-index: 100;
      -webkit-animation: move-up 600ms ease-in;
      -moz-animation: move-up 600ms ease-in;
      animation: move-up 600ms ease-in;
      -webkit-animation-fill-mode: both;
      -moz-animation-fill-mode: both;
      animation-fill-mode: both; }

  .score-container:after {
    content: "Score"; }

  .best-container:after {
    content: "Best"; }

  p {
    margin-top: 0;
    margin-bottom: 10px;
    line-height: 1.65; }

  a {
    color: #776e65;
    font-weight: bold;
    text-decoration: underline;
    cursor: pointer; }

  strong.important {
    text-transform: uppercase; }

  hr {
    border: none;
    border-bottom: 1px solid #d8d4d0;
    margin-top: 20px;
    margin-bottom: 30px; }

  .container {
    width: 500px;
    margin: 0 auto; }

  @-webkit-keyframes fade-in {
    0% {
      opacity: 0; }

    100% {
      opacity: 1; } }
  @-moz-keyframes fade-in {
    0% {
      opacity: 0; }

    100% {
      opacity: 1; } }
  @keyframes fade-in {
    0% {
      opacity: 0; }

    100% {
      opacity: 1; } }
  .game-container {
    margin-top: 40px;
    position: relative;
    padding: 15px;
    cursor: default;
    -webkit-touch-callout: none;
    -ms-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    -ms-touch-action: none;
    touch-action: none;
    background: #bbada0;
    border-radius: 6px;
    width: 500px;
    height: 500px;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box; }
    .game-container .game-message {
      display: none;
      position: absolute;
      top: 0;
      right: 0;
      bottom: 0;
      left: 0;
      background: rgba(238, 228, 218, 0.5);
      z-index: 100;
      text-align: center;
      -webkit-animation: fade-in 800ms ease 1200ms;
      -moz-animation: fade-in 800ms ease 1200ms;
      animation: fade-in 800ms ease 1200ms;
      -webkit-animation-fill-mode: both;
      -moz-animation-fill-mode: both;
      animation-fill-mode: both; }
      .game-container .game-message p {
        font-size: 60px;
        font-weight: bold;
        height: 60px;
        line-height: 60px;
        margin-top: 222px; }
      .game-container .game-message .lower {
        display: block;
        margin-top: 59px; }
      .game-container .game-message a {
        display: inline-block;
        background: #8f7a66;
        border-radius: 3px;
        padding: 0 20px;
        text-decoration: none;
        color: #f9f6f2;
        height: 40px;
        line-height: 42px;
        margin-left: 9px; }
        .game-container .game-message a.keep-playing-button {
          display: none; }
      .game-container .game-message.game-won {
        background: rgba(237, 194, 46, 0.5);
        color: #f9f6f2; }
        .game-container .game-message.game-won a.keep-playing-button {
          display: inline-block; }
      .game-container .game-message.game-won, .game-container .game-message.game-over {
        display: block; }

  .grid-container {
    position: absolute;
    z-index: 1; }

  .grid-row {
    margin-bottom: 15px; }
    .grid-row:last-child {
      margin-bottom: 0; }
    .grid-row:after {
      content: "";
      display: block;
      clear: both; }

  .grid-cell {
    width: 106.25px;
    height: 106.25px;
    margin-right: 15px;
    float: left;
    border-radius: 3px;
    background: rgba(238, 228, 218, 0.35); }
    .grid-cell:last-child {
      margin-right: 0; }

  .tile-container {
    position: absolute;
    z-index: 2; }

  .tile, .tile .tile-inner {
    width: 107px;
    height: 107px;
    line-height: 107px; }
  .tile.tile-position-1-1 {
    -webkit-transform: translate(0px, 0px);
    -moz-transform: translate(0px, 0px);
    transform: translate(0px, 0px); }
  .tile.tile-position-1-2 {
    -webkit-transform: translate(0px, 121px);
    -moz-transform: translate(0px, 121px);
    transform: translate(0px, 121px); }
  .tile.tile-position-1-3 {
    -webkit-transform: translate(0px, 242px);
    -moz-transform: translate(0px, 242px);
    transform: translate(0px, 242px); }
  .tile.tile-position-1-4 {
    -webkit-transform: translate(0px, 363px);
    -moz-transform: translate(0px, 363px);
    transform: translate(0px, 363px); }
  .tile.tile-position-2-1 {
    -webkit-transform: translate(121px, 0px);
    -moz-transform: translate(121px, 0px);
    transform: translate(121px, 0px); }
  .tile.tile-position-2-2 {
    -webkit-transform: translate(121px, 121px);
    -moz-transform: translate(121px, 121px);
    transform: translate(121px, 121px); }
  .tile.tile-position-2-3 {
    -webkit-transform: translate(121px, 242px);
    -moz-transform: translate(121px, 242px);
    transform: translate(121px, 242px); }
  .tile.tile-position-2-4 {
    -webkit-transform: translate(121px, 363px);
    -moz-transform: translate(121px, 363px);
    transform: translate(121px, 363px); }
  .tile.tile-position-3-1 {
    -webkit-transform: translate(242px, 0px);
    -moz-transform: translate(242px, 0px);
    transform: translate(242px, 0px); }
  .tile.tile-position-3-2 {
    -webkit-transform: translate(242px, 121px);
    -moz-transform: translate(242px, 121px);
    transform: translate(242px, 121px); }
  .tile.tile-position-3-3 {
    -webkit-transform: translate(242px, 242px);
    -moz-transform: translate(242px, 242px);
    transform: translate(242px, 242px); }
  .tile.tile-position-3-4 {
    -webkit-transform: translate(242px, 363px);
    -moz-transform: translate(242px, 363px);
    transform: translate(242px, 363px); }
  .tile.tile-position-4-1 {
    -webkit-transform: translate(363px, 0px);
    -moz-transform: translate(363px, 0px);
    transform: translate(363px, 0px); }
  .tile.tile-position-4-2 {
    -webkit-transform: translate(363px, 121px);
    -moz-transform: translate(363px, 121px);
    transform: translate(363px, 121px); }
  .tile.tile-position-4-3 {
    -webkit-transform: translate(363px, 242px);
    -moz-transform: translate(363px, 242px);
    transform: translate(363px, 242px); }
  .tile.tile-position-4-4 {
    -webkit-transform: translate(363px, 363px);
    -moz-transform: translate(363px, 363px);
    transform: translate(363px, 363px); }

  .tile {
    position: absolute;
    -webkit-transition: 100ms ease-in-out;
    -moz-transition: 100ms ease-in-out;
    transition: 100ms ease-in-out;
    -webkit-transition-property: -webkit-transform;
    -moz-transition-property: -moz-transform;
    transition-property: transform; }
    .tile .tile-inner {
      border-radius: 3px;
      background: #eee4da;
      text-align: center;
      font-weight: bold;
      z-index: 10;
      font-size: 55px; }
    .tile.tile-2 .tile-inner {
      background: #eee4da;
      box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0), inset 0 0 0 1px rgba(255, 255, 255, 0); }
    .tile.tile-4 .tile-inner {
      background: #ede0c8;
      box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0), inset 0 0 0 1px rgba(255, 255, 255, 0); }
    .tile.tile-8 .tile-inner {
      color: #f9f6f2;
      background: #f2b179; }
    .tile.tile-16 .tile-inner {
      color: #f9f6f2;
      background: #f59563; }
    .tile.tile-32 .tile-inner {
      color: #f9f6f2;
      background: #f67c5f; }
    .tile.tile-64 .tile-inner {
      color: #f9f6f2;
      background: #f65e3b; }
    .tile.tile-128 .tile-inner {
      color: #f9f6f2;
      background: #edcf72;
      box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0.2381), inset 0 0 0 1px rgba(255, 255, 255, 0.14286);
      font-size: 45px; }
      @media screen and (max-width: 520px) {
        .tile.tile-128 .tile-inner {
          font-size: 25px; } }
    .tile.tile-256 .tile-inner {
      color: #f9f6f2;
      background: #edcc61;
      box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0.31746), inset 0 0 0 1px rgba(255, 255, 255, 0.19048);
      font-size: 45px; }
      @media screen and (max-width: 520px) {
        .tile.tile-256 .tile-inner {
          font-size: 25px; } }
    .tile.tile-512 .tile-inner {
      color: #f9f6f2;
      background: #edc850;
      box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0.39683), inset 0 0 0 1px rgba(255, 255, 255, 0.2381);
      font-size: 45px; }
      @media screen and (max-width: 520px) {
        .tile.tile-512 .tile-inner {
          font-size: 25px; } }
    .tile.tile-1024 .tile-inner {
      color: #f9f6f2;
      background: #edc53f;
      box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0.47619), inset 0 0 0 1px rgba(255, 255, 255, 0.28571);
      font-size: 35px; }
      @media screen and (max-width: 520px) {
        .tile.tile-1024 .tile-inner {
          font-size: 15px; } }
    .tile.tile-2048 .tile-inner {
      color: #f9f6f2;
      background: #edc22e;
      box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0.55556), inset 0 0 0 1px rgba(255, 255, 255, 0.33333);
      font-size: 35px; }
      @media screen and (max-width: 520px) {
        .tile.tile-2048 .tile-inner {
          font-size: 15px; } }
    .tile.tile-super .tile-inner {
      color: #f9f6f2;
      background: #3c3a32;
      font-size: 30px; }
      @media screen and (max-width: 520px) {
        .tile.tile-super .tile-inner {
          font-size: 10px; } }

  @-webkit-keyframes appear {
    0% {
      opacity: 0;
      -webkit-transform: scale(0);
      -moz-transform: scale(0);
      transform: scale(0); }

    100% {
      opacity: 1;
      -webkit-transform: scale(1);
      -moz-transform: scale(1);
      transform: scale(1); } }
  @-moz-keyframes appear {
    0% {
      opacity: 0;
      -webkit-transform: scale(0);
      -moz-transform: scale(0);
      transform: scale(0); }

    100% {
      opacity: 1;
      -webkit-transform: scale(1);
      -moz-transform: scale(1);
      transform: scale(1); } }
  @keyframes appear {
    0% {
      opacity: 0;
      -webkit-transform: scale(0);
      -moz-transform: scale(0);
      transform: scale(0); }

    100% {
      opacity: 1;
      -webkit-transform: scale(1);
      -moz-transform: scale(1);
      transform: scale(1); } }
  .tile-new .tile-inner {
    -webkit-animation: appear 200ms ease 100ms;
    -moz-animation: appear 200ms ease 100ms;
    animation: appear 200ms ease 100ms;
    -webkit-animation-fill-mode: backwards;
    -moz-animation-fill-mode: backwards;
    animation-fill-mode: backwards; }

  @-webkit-keyframes pop {
    0% {
      -webkit-transform: scale(0);
      -moz-transform: scale(0);
      transform: scale(0); }

    50% {
      -webkit-transform: scale(1.2);
      -moz-transform: scale(1.2);
      transform: scale(1.2); }

    100% {
      -webkit-transform: scale(1);
      -moz-transform: scale(1);
      transform: scale(1); } }
  @-moz-keyframes pop {
    0% {
      -webkit-transform: scale(0);
      -moz-transform: scale(0);
      transform: scale(0); }

    50% {
      -webkit-transform: scale(1.2);
      -moz-transform: scale(1.2);
      transform: scale(1.2); }

    100% {
      -webkit-transform: scale(1);
      -moz-transform: scale(1);
      transform: scale(1); } }
  @keyframes pop {
    0% {
      -webkit-transform: scale(0);
      -moz-transform: scale(0);
      transform: scale(0); }

    50% {
      -webkit-transform: scale(1.2);
      -moz-transform: scale(1.2);
      transform: scale(1.2); }

    100% {
      -webkit-transform: scale(1);
      -moz-transform: scale(1);
      transform: scale(1); } }
  .tile-merged .tile-inner {
    z-index: 20;
    -webkit-animation: pop 200ms ease 100ms;
    -moz-animation: pop 200ms ease 100ms;
    animation: pop 200ms ease 100ms;
    -webkit-animation-fill-mode: backwards;
    -moz-animation-fill-mode: backwards;
    animation-fill-mode: backwards; }

  .above-game:after {
    content: "";
    display: block;
    clear: both; }

  .game-intro {
    float: left;
    line-height: 42px;
    margin-bottom: 0; }

  .restart-button {
    display: inline-block;
    background: #8f7a66;
    border-radius: 3px;
    padding: 0 20px;
    text-decoration: none;
    color: #f9f6f2;
    height: 40px;
    line-height: 42px;
    display: block;
    text-align: center;
    float: right; }

  .game-explanation {
    margin-top: 50px; }

  @media screen and (max-width: 520px) {
    html, body {
      font-size: 15px; }

    body {
      margin: 20px 0;
      padding: 0 20px; }

    h1.title {
      font-size: 27px;
      margin-top: 15px; }

    .container {
      width: 280px;
      margin: 0 auto; }

    .score-container, .best-container {
      margin-top: 0;
      padding: 15px 10px;
      min-width: 40px; }

    .heading {
      margin-bottom: 10px; }

    .game-intro {
      width: 55%;
      display: block;
      box-sizing: border-box;
      line-height: 1.65; }

    .restart-button {
      /*width: 42%;*/
      padding: 0;
      display: block;
      box-sizing: border-box;
      margin-top: 2px; }

    .game-container {
      margin-top: 17px;
      position: relative;
      padding: 10px;
      cursor: default;
      -webkit-touch-callout: none;
      -ms-touch-callout: none;
      -webkit-user-select: none;
      -moz-user-select: none;
      -ms-user-select: none;
      -ms-touch-action: none;
      touch-action: none;
      background: #bbada0;
      border-radius: 6px;
      width: 280px;
      height: 280px;
      -webkit-box-sizing: border-box;
      -moz-box-sizing: border-box;
      box-sizing: border-box; }
      .game-container .game-message {
        display: none;
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        background: rgba(238, 228, 218, 0.5);
        z-index: 100;
        text-align: center;
        -webkit-animation: fade-in 800ms ease 1200ms;
        -moz-animation: fade-in 800ms ease 1200ms;
        animation: fade-in 800ms ease 1200ms;
        -webkit-animation-fill-mode: both;
        -moz-animation-fill-mode: both;
        animation-fill-mode: both; }
        .game-container .game-message p {
          font-size: 60px;
          font-weight: bold;
          height: 60px;
          line-height: 60px;
          margin-top: 222px; }
        .game-container .game-message .lower {
          display: block;
          margin-top: 59px; }
        .game-container .game-message a {
          display: inline-block;
          background: #8f7a66;
          border-radius: 3px;
          padding: 0 20px;
          text-decoration: none;
          color: #f9f6f2;
          height: 40px;
          line-height: 42px;
          margin-left: 9px; }
          .game-container .game-message a.keep-playing-button {
            display: none; }
        .game-container .game-message.game-won {
          background: rgba(237, 194, 46, 0.5);
          color: #f9f6f2; }
          .game-container .game-message.game-won a.keep-playing-button {
            display: inline-block; }
        .game-container .game-message.game-won, .game-container .game-message.game-over {
          display: block; }

    .grid-container {
      position: absolute;
      z-index: 1; }

    .grid-row {
      margin-bottom: 10px; }
      .grid-row:last-child {
        margin-bottom: 0; }
      .grid-row:after {
        content: "";
        display: block;
        clear: both; }

    .grid-cell {
      width: 57.5px;
      height: 57.5px;
      margin-right: 10px;
      float: left;
      border-radius: 3px;
      background: rgba(238, 228, 218, 0.35); }
      .grid-cell:last-child {
        margin-right: 0; }

    .tile-container {
      position: absolute;
      z-index: 2; }

    .tile, .tile .tile-inner {
      width: 58px;
      height: 58px;
      line-height: 58px; }
    .tile.tile-position-1-1 {
      -webkit-transform: translate(0px, 0px);
      -moz-transform: translate(0px, 0px);
      transform: translate(0px, 0px); }
    .tile.tile-position-1-2 {
      -webkit-transform: translate(0px, 67px);
      -moz-transform: translate(0px, 67px);
      transform: translate(0px, 67px); }
    .tile.tile-position-1-3 {
      -webkit-transform: translate(0px, 135px);
      -moz-transform: translate(0px, 135px);
      transform: translate(0px, 135px); }
    .tile.tile-position-1-4 {
      -webkit-transform: translate(0px, 202px);
      -moz-transform: translate(0px, 202px);
      transform: translate(0px, 202px); }
    .tile.tile-position-2-1 {
      -webkit-transform: translate(67px, 0px);
      -moz-transform: translate(67px, 0px);
      transform: translate(67px, 0px); }
    .tile.tile-position-2-2 {
      -webkit-transform: translate(67px, 67px);
      -moz-transform: translate(67px, 67px);
      transform: translate(67px, 67px); }
    .tile.tile-position-2-3 {
      -webkit-transform: translate(67px, 135px);
      -moz-transform: translate(67px, 135px);
      transform: translate(67px, 135px); }
    .tile.tile-position-2-4 {
      -webkit-transform: translate(67px, 202px);
      -moz-transform: translate(67px, 202px);
      transform: translate(67px, 202px); }
    .tile.tile-position-3-1 {
      -webkit-transform: translate(135px, 0px);
      -moz-transform: translate(135px, 0px);
      transform: translate(135px, 0px); }
    .tile.tile-position-3-2 {
      -webkit-transform: translate(135px, 67px);
      -moz-transform: translate(135px, 67px);
      transform: translate(135px, 67px); }
    .tile.tile-position-3-3 {
      -webkit-transform: translate(135px, 135px);
      -moz-transform: translate(135px, 135px);
      transform: translate(135px, 135px); }
    .tile.tile-position-3-4 {
      -webkit-transform: translate(135px, 202px);
      -moz-transform: translate(135px, 202px);
      transform: translate(135px, 202px); }
    .tile.tile-position-4-1 {
      -webkit-transform: translate(202px, 0px);
      -moz-transform: translate(202px, 0px);
      transform: translate(202px, 0px); }
    .tile.tile-position-4-2 {
      -webkit-transform: translate(202px, 67px);
      -moz-transform: translate(202px, 67px);
      transform: translate(202px, 67px); }
    .tile.tile-position-4-3 {
      -webkit-transform: translate(202px, 135px);
      -moz-transform: translate(202px, 135px);
      transform: translate(202px, 135px); }
    .tile.tile-position-4-4 {
      -webkit-transform: translate(202px, 202px);
      -moz-transform: translate(202px, 202px);
      transform: translate(202px, 202px); }

    .tile .tile-inner {
      font-size: 35px; }

    .game-message p {
      font-size: 30px !important;
      height: 30px !important;
      line-height: 30px !important;
      margin-top: 90px !important; }
    .game-message .lower {
      margin-top: 30px !important; } }

    .scores-container{
      padding-top: 8px;
    }
    .big{
        width: 100%;
        /*background-color: red;*/
        position: absolute;
        left: 0;
        bottom: 0;
        top: 100px;
    }
    .game-container{
      margin:17px auto;
      margin-top: 85px;
    }
    .restart-button{
      padding: 0 16px;
    }

  </style>
</head>
<body>
  <div class="container">
    <div class="heading">
      <h1 class="title">2048</h1>
      <div class="scores-container">
        <a class="restart-button">New Game</a>
  <!--       <div class="score-container">0</div>
        <div class="best-container">0</div> -->
      </div>
    </div>

    <div class="big">
        <div class="game-container">
          <div class="game-message">
            <p></p>
            <div class="lower">
              <a class="keep-playing-button">Keep going</a>
              <a class="retry-button">Try again</a>
            </div>
          </div>

          <div class="grid-container">
            <div class="grid-row">
              <div class="grid-cell"></div>
              <div class="grid-cell"></div>
              <div class="grid-cell"></div>
              <div class="grid-cell"></div>
            </div>
            <div class="grid-row">
              <div class="grid-cell"></div>
              <div class="grid-cell"></div>
              <div class="grid-cell"></div>
              <div class="grid-cell"></div>
            </div>
            <div class="grid-row">
              <div class="grid-cell"></div>
              <div class="grid-cell"></div>
              <div class="grid-cell"></div>
              <div class="grid-cell"></div>
            </div>
            <div class="grid-row">
              <div class="grid-cell"></div>
              <div class="grid-cell"></div>
              <div class="grid-cell"></div>
              <div class="grid-cell"></div>
            </div>
          </div>

          <div class="tile-container">

          </div>
        </div>
    </div>



  </div>
  <script src="//cdn.bootcss.com/jquery/1.11.3/jquery.min.js"></script>
  <script>

  function KeyboardInputManager() {
    this.events = {};

    if (window.navigator.msPointerEnabled) {
      //Internet Explorer 10 style
      this.eventTouchstart    = "MSPointerDown";
      this.eventTouchmove     = "MSPointerMove";
      this.eventTouchend      = "MSPointerUp";
    } else {
      this.eventTouchstart    = "touchstart";
      this.eventTouchmove     = "touchmove";
      this.eventTouchend      = "touchend";
    }

    this.listen();
  }

  KeyboardInputManager.prototype.on = function (event, callback) {
    if (!this.events[event]) {
      this.events[event] = [];
    }
    this.events[event].push(callback);
  };

  KeyboardInputManager.prototype.emit = function (event, data) {
    var callbacks = this.events[event];
    if (callbacks) {
      callbacks.forEach(function (callback) {
        callback(data);
      });
    }
  };

  KeyboardInputManager.prototype.listen = function () {
    var self = this;

    var map = {
      38: 0, // Up
      39: 1, // Right
      40: 2, // Down
      37: 3, // Left
      75: 0, // Vim up
      76: 1, // Vim right
      74: 2, // Vim down
      72: 3, // Vim left
      87: 0, // W
      68: 1, // D
      83: 2, // S
      65: 3  // A
    };

    // Respond to direction keys
    document.addEventListener("keydown", function (event) {
      var modifiers = event.altKey || event.ctrlKey || event.metaKey ||
                      event.shiftKey;
      var mapped    = map[event.which];

      if (!modifiers) {
        if (mapped !== undefined) {
          event.preventDefault();
          self.emit("move", mapped);
        }
      }

      // R key restarts the game
      if (!modifiers && event.which === 82) {
        self.restart.call(self, event);
      }
    });

    // Respond to button presses
    this.bindButtonPress(".retry-button", this.restart);
    this.bindButtonPress(".restart-button", this.restart);
    this.bindButtonPress(".keep-playing-button", this.keepPlaying);

    // Respond to swipe events
    var touchStartClientX, touchStartClientY;
    var gameContainer = document.getElementsByClassName("big")[0];

    gameContainer.addEventListener(this.eventTouchstart, function (event) {
      if ((!window.navigator.msPointerEnabled && event.touches.length > 1) ||
          event.targetTouches > 1) {
        return; // Ignore if touching with more than 1 finger
      }

      if (window.navigator.msPointerEnabled) {
        touchStartClientX = event.pageX;
        touchStartClientY = event.pageY;
      } else {
        touchStartClientX = event.touches[0].clientX;
        touchStartClientY = event.touches[0].clientY;
      }

      event.preventDefault();
    });

    gameContainer.addEventListener(this.eventTouchmove, function (event) {
      event.preventDefault();
    });

    gameContainer.addEventListener(this.eventTouchend, function (event) {
      if ((!window.navigator.msPointerEnabled && event.touches.length > 0) ||
          event.targetTouches > 0) {
        return; // Ignore if still touching with one or more fingers
      }

      var touchEndClientX, touchEndClientY;

      if (window.navigator.msPointerEnabled) {
        touchEndClientX = event.pageX;
        touchEndClientY = event.pageY;
      } else {
        touchEndClientX = event.changedTouches[0].clientX;
        touchEndClientY = event.changedTouches[0].clientY;
      }

      var dx = touchEndClientX - touchStartClientX;
      var absDx = Math.abs(dx);

      var dy = touchEndClientY - touchStartClientY;
      var absDy = Math.abs(dy);

      if (Math.max(absDx, absDy) > 10) {
        // (right : left) : (down : up)
        self.emit("move", absDx > absDy ? (dx > 0 ? 1 : 3) : (dy > 0 ? 2 : 0));
      }
    });
  };

  KeyboardInputManager.prototype.restart = function (event) {
    event.preventDefault();
    this.emit("restart");
  };

  KeyboardInputManager.prototype.keepPlaying = function (event) {
    event.preventDefault();
    this.emit("keepPlaying");
  };

  KeyboardInputManager.prototype.bindButtonPress = function (selector, fn) {
    var button = document.querySelector(selector);
    button.addEventListener("click", fn.bind(this));
    button.addEventListener(this.eventTouchend, fn.bind(this));
  };

  var c = new KeyboardInputManager();
  // c.bindButtonPress('.game-container',function(){})
  c.on('move',function(key){
    var op=['3-up', '12-right', '4-down', '11-left'][key];
    $.get('/do/' + op, function(data, err) {});
        //         var r = data ? data : err;
        //         $('#log').text(r);
        //     })
  })
  c.on('restart',function(){
    console.log('restart');
    $.get('/do/r' , function(data, err) {});
  })

    // $('a').click(function(event) {
    //     $('#log').text('loading...');
    //     if(event.target.dataset.key){
    //         var op = event.target.dataset.key;
    //     }else{
    //         var op = event.target.innerText;
    //     }
    //     $.get('/do/' + op, function(data, err) {
    //         var r = data ? data : err;
    //         $('#log').text(r);
    //     })
    // })


  </script>
</body>
</html>
